CN110439464B - Underground rotary particle jet injection drilling device - Google Patents
Underground rotary particle jet injection drilling device Download PDFInfo
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- CN110439464B CN110439464B CN201910748625.9A CN201910748625A CN110439464B CN 110439464 B CN110439464 B CN 110439464B CN 201910748625 A CN201910748625 A CN 201910748625A CN 110439464 B CN110439464 B CN 110439464B
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- 239000002245 particle Substances 0.000 title claims abstract description 127
- 238000005553 drilling Methods 0.000 title claims abstract description 37
- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 120
- 239000007921 spray Substances 0.000 claims abstract description 45
- 239000012530 fluid Substances 0.000 claims abstract description 33
- 230000002093 peripheral effect Effects 0.000 claims abstract description 16
- 210000004907 gland Anatomy 0.000 claims description 24
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 238000012856 packing Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000003116 impacting effect Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 239000004576 sand Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 239000012224 working solution Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
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- Engineering & Computer Science (AREA)
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- Mining & Mineral Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention belongs to the field of petroleum drilling and production, and particularly relates to an underground rotary particle jet injection drilling device which comprises a filter, a centralizer blade, an upper sealing block, a guide shaft, a lower sealing block, a rotating shaft, an oil injection hole, an anti-jumping bearing, a centralizing bearing, a particle injection spray head, a side spray nozzle, a peripheral spray nozzle, a central spray nozzle and the like, wherein particles such as sand grains are added into pumping working liquid, the underground special rotary injection device is utilized to filter and purify the particles and fluid, the underground spray head is centralized through the centralizing blade, the special particle injection spray head sprays high-speed rotary particle jet, the rotary particle jet impacts a target layer at high speed, the underground efficient drilling is effectively realized, the particle rotary jet can cover the whole bottom of a well, the rotary speed is adjustable, the limitation of drilling pressure, rotary speed and small-size well bores is avoided, a casing is effectively protected, and the drilling speed is improved, the construction cost is reduced.
Description
Technical Field
The invention relates to a rotary particle jet injection drilling device in a well, and belongs to the field of petroleum drilling and production.
Background
Along with the continuous development of old oil fields in China, the water content of an oil well continuously rises, the yield continuously falls, and downhole accidents such as casing damage, water channeling and the like occur at times, so that more and more downhole operations such as plugging and sidetracking, channeling-checking plugging, plugging and drilling are performed in the pit for recovering the productivity of the old well and treating the downhole accidents, and compared with the mode of drilling a new well, the method not only can effectively save the cost, but also can effectively dig and submerge the residual oil.
The drilling mode of the current common underground operation mainly comprises two modes, one mode is that an oil pipe is driven to rotate by a power tong at a well mouth, the lower part of the oil pipe is connected with a drill bit, and the underground drill bit is driven to rotate to drill by the rotation of the power tong at the well mouth. The other type of well drilling tool is a well screw and a drill bit, the screw and drill bit combined tool is conveyed to the underground through an oil pipe, the oil pipe does not rotate, circulating liquid is pumped through a wellhead to drive the well screw to rotate, and then the drill bit is driven to rotate to perform underground drilling. The mode has higher requirements on the quality of the screw, has certain requirements on the underground working conditions, and has low drilling speed of the conventional screw and the drill bit. If the construction well is shallow, the bit pressure is difficult to apply, the efficiency of the two modes is lower, the two modes have larger abrasion to the casing, and the construction is very difficult for the casing with small diameter.
The underground rotary particle jet injection drilling technology fully utilizes the hydraulic energy of circulating working fluid, particles such as sand grains are added into the working fluid, a high-speed rotary particle jet is injected through an underground special rotary injection device, the rotating speed is adjustable, the underground quick and efficient drilling is realized, the particle jet can fully cover the bottom of a well, the drilling speed can be effectively improved, the underground rotary particle jet injection drilling technology is not limited by drilling pressure, a small-size well hole and the like, the abrasion to a casing is low, the labor intensity of constructors is effectively reduced, the cost is reduced, and the economic benefit of an oil field is effectively improved.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the underground rotary particle jet flow jet drilling device can realize underground rotary particle jet flow jet drilling, the rotary particle jet flow impacts a target layer at a high speed, underground efficient drilling is effectively realized, the rotating speed is adjustable, the particle jet flow can cover the whole bottom of a well, the limitation of drilling pressure, rotating speed and a small-size well hole is avoided, a sleeve is effectively protected, the drilling speed is improved, and the construction cost is reduced.
The invention relates to an underground rotary particle jet injection drilling device which comprises a shaft, a filter outer cylinder, an annular retainer ring, a filter, a centralizer cylinder, a centralizer blade, a connecting device, an upper sealing block, an O-shaped sealing ring, a guide belt, a sealing block lip type seal, a compression spring, a guide shaft, a lower sealing block, a thrust bearing, an exhaust hole, a rotator outer cylinder, a rotating shaft, an anti-bouncing bearing, a centralizing bearing, an oil filling hole, a gland lip type seal, a retainer ring combination, a particle injection nozzle, a nozzle inner cavity, side nozzles, peripheral nozzles and a central nozzle. The outer filter cylinder is arranged in the shaft, the male buckle is arranged at the lower part of the female buckle at the upper part of the outer filter cylinder, the annular retainer ring is welded with the filter, the annular retainer ring is arranged on the step surface at the bottom of the female buckle of the outer filter cylinder, the step surface can clamp the annular retainer ring to prevent the annular retainer ring from moving downwards, the outer filter cylinder can be fixed without adding extra devices, working fluid enters from the female buckle of the outer filter cylinder from top to bottom, under the effect of annular retaining ring, particle and working solution get into in the filter, filter screen diameter 1-6mm, particle and impurity in the working solution are filtered and are saved in the filter, particle and working solution after filtering are in the centralizer section of thick bamboo of entering downwards, the centralizer blade sets up on centralizer section of thick bamboo outer wall, the effect of centering in living, the centralizer blade evenly distributed is on a centralizer section of thick bamboo, arrange 3-6, the centralizer blade can be for the cuboid shape take the chamfer shape also can be the spiral.
The connecting device is arranged between the centralizer cylinder and the rotating body outer cylinder, the connecting device is externally connected with the rotating body outer cylinder, the inner part of the connecting device is connected with the upper sealing block, three O-shaped sealing rings are arranged between the upper sealing block and the connecting device to realize the sealing between the upper sealing block and the connecting device, the upper sealing block does not rotate, a guide shaft is arranged between the connecting device and the upper sealing block, the connecting device and the upper sealing block do not have relative rotation motion under the action of the guide shaft but can do relative motion along the direction of the guide shaft, a compression spring is arranged in an upper sealing block hole on the outer wall surface of the guide shaft and is in a compression state, the upper sealing block and the lower sealing block are tightly pressed under the action of the compression spring to play a sealing role, the upper sealing block and the lower sealing block are made of ceramic or alloy steel, the lower sealing block is arranged on the inner side of the lower part of the upper sealing block, the lower, the guidance tape sets up at last sealed piece under and between the sealed piece, the guidance tape plays the effect of direction and separation particle, sealed piece lip formula is sealed to be set up in the guidance tape lower part, after sealed piece inboard has certain pressure down, pressure is sealed through fluid transmission to sealed piece lip formula through the guidance tape, sealed piece lip formula is sealed under the effect of pressure, begin to open and press close to sealed piece, it has the step to go up between sealed piece and the sealed piece down, also have sealed and guide effect, through the guidance tape, sealed piece lip formula is sealed, the combined action of compression spring compression, the sealed inefficacy that the sealed chamber of particle entering led to has both been prevented, the rotary seal who contains particle fluid to high pressure has also effectively been realized. The rotating shaft is arranged at the lower part of the lower sealing block, the rotating shaft and the lower sealing block rotate simultaneously, the thrust bearing is arranged between the outer cylinder of the rotating body and the rotating shaft, the thrust bearing can enable the device to bear the drilling pressure and the pulling force in the axial direction, the anti-jump bearing is arranged at the lower part of the step of the rotating shaft, the anti-jump bearing is a tapered roller bearing and can prevent the spray head from jumping in the working process, the service life of the device is prolonged, the centering bearing is arranged at the lower part of the anti-jump bearing, the centering bearing is a cylindrical roller bearing and has the centering function of centering the rotating shaft and protecting the rotating sealing device, the gland is arranged between the outer cylinder of the rotating body and the rotating shaft and is used for pressing the upper centering bearing, the gland lip type seal is arranged at the upper part of the inner side of the gland, the gland and the rotating shaft are arranged, lower part packing and upper portion sealing washer, packing are used for sealing the particle of big granule, and the sealing washer is used for sealing fluid and small particle, through the sealed tertiary sealing effect of packing, sealing washer, gland lip formula, can prevent effectively that outside particle and fluid from getting into in the rotation axis. The exhaust hole and the oil filling hole are arranged on the outer cylinder of the rotating body, after the oil filling hole is opened, deceleration oil can be filled into a gap between the outer cylinder of the rotating body and the rotating shaft and used for adjusting the rotating speed of the rotating shaft and further adjusting the rotating speed of the particle injection nozzle, and the exhaust hole is used for exhausting gas between the outer cylinder of the rotating body and the rotating shaft in the oil filling process, so that the gap between the outer cylinder of the rotating body and the rotating shaft is smoothly filled with the deceleration oil.
The particle jet nozzle is arranged at the lower part of the rotating shaft and used for jetting rotary particle jet flow, the inner cavity of the nozzle is arranged in the particle jet nozzle, particles and fluid flow downwards into the inner cavity of the nozzle from the upper rotating shaft, the bottom of the inner cavity of the nozzle is hemispherical, the flow field of the inner cavity of the nozzle can be optimized, the resistance of the fluid flowing into the lower nozzle is reduced, the particles continuously enter the side nozzle, the peripheral nozzles and the central nozzle under the fluid carrying belt to jet the rotary particle jet flow, the rotary particle jet flow impacts a lower target layer at high speed to generate great instantaneous impact stress, the crushing of the target layer can be effectively realized, the efficient jet drilling of the underground rotary particle jet flow is realized, the side nozzle is arranged at the side surface of the particle jet nozzle and can jet the rotary particle jet flow outwards from the side surface, the effective area of the particle jet nozzle is effectively increased, the rotary reverse thrust, the peripheral nozzles can effectively spray a target layer at the bottom of the spray head, the peripheral nozzles are divided into two types, one type is direct injection and mainly used for impacting a crushed target layer, the other type is rotary injection and mainly used for providing a reaction force required by the rotation of the spray head, the central nozzle is arranged at the bottom of the particle spray head and can effectively spray a central target layer at the lower part of the spray head, alpha is an included angle along the radial direction of the particle spray head and is mainly used for directly spraying particle jet flow to impact the crushed target layer at the lower part, the swept range of the particle jet flow at the bottom of a well can be adjusted by adjusting the angle alpha and uniformly hit the surface of the target layer, alpha is 0-45 degrees, beta is an included angle along the circumferential direction of the particle spray head and mainly provides the reaction force for the rotation of the particle spray head to push the particle spray head to rotate. The invention has the beneficial effects that:
through adding particles such as sand grains in pumping working fluid, utilize dedicated rotatory injection apparatus in the pit, the realization is to the filtration purification of particle and fluid, and right the shower nozzle in the pit through rightting the blade, dedicated particle sprays the shower nozzle and erupts high-speed rotatory particle efflux, rotatory particle efflux strikes the target zone at a high speed, the high-efficient drilling in the pit of effectual realization, the rotational speed is adjustable, the particle efflux can cover whole shaft bottom, do not receive the restriction of weight on bit, rotational speed and small-size well, effective protective sleeve, improve the drilling speed, construction cost is reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial side view of a-a of fig. 1.
FIG. 3 is a top view of B-B of FIG. 1.
Fig. 4 is a bottom plan view of fig. 1.
Figure 5 is a side view of the four-sided nozzle C-C of figure 4.
In the figure: 1. the device comprises a shaft 2, a filter outer cylinder 3, an annular retainer ring 4, a filter 5, a centralizer cylinder 6, centralizer blades 7, a connecting device 8, an upper sealing block 9, an O-shaped sealing ring 10, a guide belt 11, a sealing block lip type seal 12, a compression spring 13, a guide shaft 14, a lower sealing block 15, a thrust bearing 16, an exhaust hole 17, a rotator outer cylinder 18, a rotating shaft 19, an anti-jump bearing 20, a centralizing bearing 21, an oil filling hole 22, a gland 23, a gland lip type seal 24, a retainer ring combination 25, a particle injection spray head 26, a spray head inner cavity 27, a side spray head 28, a peripheral spray head 29 and a central spray head.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 5, the downhole rotating particle jet injection drilling device according to the present invention includes a wellbore 1, a filter outer cylinder 2, an annular retainer ring 3, a filter 4, a centralizer cylinder 5, a centralizer vane 6, a connecting device 7, an upper seal block 8, an O-ring 9, a guide belt 10, a seal block lip seal 11, a compression spring 12, a guide shaft 13, a lower seal block 14, a thrust bearing 15, a rotator outer cylinder exhaust hole 16, a rotator outer cylinder 17, a rotating shaft 18, an anti-bouncing bearing 19, a centralizing bearing 20, an oil injection hole 21, a gland 22, a gland lip seal 23, a retainer ring combination 24, a particle injection nozzle 25, a nozzle inner cavity 26, a side nozzle 27, a peripheral nozzle 28, and a central nozzle 29. The filter outer cylinder 2 is arranged in the shaft 1, the male buckle at the lower part of the female buckle at the upper part of the filter outer cylinder 2 is welded with the filter 4, the annular retainer ring 3 is arranged on the step surface at the bottom of the female buckle of the filter outer cylinder 2, the annular retainer ring 3 can clamp the annular retainer ring 3 and can not move downwards, the filter outer cylinder 2 can be fixed without adding extra devices, working fluid enters from the top to the bottom through the female buckle of the filter outer cylinder 2, particles and the working fluid enter the filter 4 under the action of the annular retainer ring 3, the diameter of a filter screen of the filter 4 is 1-6mm, the particles and impurities in the working fluid are filtered and stored in the filter 4, the filtered particles and the working fluid downwards enter the centralizer cylinder 5, the centralizer vanes 6 are arranged on the outer wall of the centralizer cylinder 5 and play a role of centralizing in the center, the centralizer vanes 6 are uniformly distributed on the centralizer cylinder 5 and are distributed in 3-6 numbers, the centralizer vane 6 can be in a cuboid shape with a chamfer or a spiral shape. The connecting device 7 is arranged between the centralizer barrel 5 and the rotating body outer barrel 16, the rotating body outer barrel 16 is connected outside the connecting device 7, the inner part is connected with the upper sealing block 8, the three o-shaped sealing rings 9 are arranged between the upper sealing block 8 and the connecting device 7 to realize the sealing between the upper sealing block 8 and the connecting device 7, the upper sealing block 8 does not rotate, the guide shaft 13 is arranged between the connecting device 7 and the upper sealing block 8, the guide shaft 13 is used, the connecting device 7 and the upper sealing block 8 do not have relative rotation movement but can move relatively along the direction of the guide shaft 13, the compression spring 12 is arranged in the hole of the upper sealing block 8 on the outer wall surface of the guide shaft 13, the compression spring 12 is in a compression state, under the action of the compression spring 12, the upper sealing block 8 and the lower sealing block 14 are pressed to play a sealing role, the upper sealing block 8 and the lower sealing block 14 are made of ceramics or, the lower sealing block 14 is arranged at the inner side of the lower part of the upper sealing block 8, the lower sealing block 14 can rotate, the lower sealing block 14 extends out of the inner side of the upper sealing block 8, the guide belt 10 is arranged between the upper sealing block 8 and the lower sealing block 14, the guide belt 10 plays a role of guiding and blocking particles, the sealing block lip type seal 11 is arranged at the lower part of the guide belt 10, after a certain pressure is arranged at the inner side of the lower sealing block 14, the pressure is transmitted to the sealing block lip type seal 11 through the fluid by the guide belt 10, the sealing block lip type seal 11 begins to be opened and close to the upper sealing block 8 under the action of the pressure, a step is arranged between the upper sealing block 8 and the lower sealing block 14, the sealing and guiding functions are also realized, through the combined action of the guide belt 10, the sealing block lip type seal 11 and the compression of the compression spring 12, the sealing failure caused by the fact that particles enter a sealing cavity is prevented, and the rotary seal of high-pressure particle-containing fluid is effectively achieved. The rotating shaft 17 is arranged at the lower part of the lower sealing block 14, the rotating shaft 18 and the lower sealing block 14 rotate simultaneously, the thrust bearing 15 is arranged between the outer cylinder 16 of the rotating body and the rotating shaft 18, the thrust bearing 15 can enable the device to bear the drilling pressure and the pulling force in the axial direction, the anti-jump bearing 19 is arranged at the lower part of the step of the rotating shaft 18, the anti-jump bearing 19 is a tapered roller bearing which can prevent the jump of the spray head in the working process and prolong the service life of the device, the centralizing bearing 20 is arranged at the lower part of the anti-jump bearing 19, the centralizing bearing 20 is a cylindrical roller bearing which has the centralizing function and enables the rotating shaft 18 to be centered, the rotating sealing device is protected, the gland 22 is arranged between the outer cylinder 17 of the rotating body and the rotating shaft 18 and is used for pressing the upper centralizing bearing 20, the gland lip type seal 23 is arranged at, the sealing gland 22 and the rotating shaft 18, the gland 22 and the rotating body outer cylinder 17 are respectively sealed, the check ring combination 24 comprises two parts, namely a lower packing and an upper sealing ring, the packing is used for sealing large-particle particles, the sealing ring is used for sealing fluid and small-particle particles, and external particles and fluid can be effectively prevented from entering the rotating shaft 18 through the three-stage sealing effect of the packing, the sealing ring and the gland lip type seal 23. The air vent 16 and the oil filling hole 21 are arranged on the rotator outer cylinder 17, after the oil filling hole 21 is opened, deceleration oil can be filled into a gap between the rotator outer cylinder 17 and the rotating shaft 18 to adjust the rotating speed of the rotating shaft 18 and further adjust the rotating speed of the particle injection nozzle 25, and the air vent 16 is used for exhausting gas between the rotator outer cylinder 17 and the rotating shaft 18 in the oil filling process, so that the gap between the rotator outer cylinder 17 and the rotating shaft 18 is smoothly filled with the deceleration oil. The particle jet nozzle 25 is arranged at the lower part of the rotating shaft 18 and used for jetting rotating particle jet flow, the nozzle inner cavity 26 is arranged in the particle jet nozzle 25, particles and fluid downwards flow into the nozzle inner cavity 26 from the upper rotating shaft 18, the bottom of the nozzle inner cavity 26 is hemispherical, the flow field of the nozzle inner cavity 26 can be optimized, the resistance of the fluid entering the lower nozzle is reduced, the particles continuously enter the side nozzles 27, the peripheral nozzles 28 and the central nozzle 29 under the fluid carrying belt to jet the rotating particle jet flow, the rotating particle jet flow impacts the lower target layer at high speed to generate great instantaneous impact stress, the crushing of the target layer can be effectively realized, the efficient jet drilling of the underground rotating particle jet flow is realized, the side nozzles 27 are arranged at the side surface of the particle jet nozzle 25 and can jet the rotating particle jet flow outwards from the side surface, the effective area jetted by the particle jet nozzle 25 is effectively increased, and the reverse, the peripheral nozzles 28 are arranged around the bottom of the particle spray head 25, the peripheral nozzles 28 can effectively spray a target layer at the bottom of the particle spray head, the peripheral nozzles 28 are divided into two types, one type is direct spray and mainly used for impacting the target layer for crushing, the other type is rotary spray and mainly used for providing a reaction force required by the rotation of the particle spray head, the central nozzle 29 is arranged at the bottom of the particle spray head 25, the central nozzle 29 can effectively spray the central target layer at the lower part of the particle spray head, alpha is an included angle along the radial direction of the particle spray head 23 and is mainly used for directly spraying a particle jet flow to impact the target layer for crushing, the wave coverage of the particle jet flow at the bottom of a well can be adjusted by adjusting the angle alpha, the alpha is uniformly impacted on the surface of the target layer, alpha is 0-45 degrees, beta is an included angle along the circumferential direction of the particle spray head, the particle jet nozzle 25 is driven to rotate, and beta is 15-60 degrees.
Claims (3)
1. A downhole rotating particle jet injection drilling device comprises a shaft (1), a filter outer cylinder (2), an annular retainer ring (3), a filter (4), a centralizer cylinder (5), centralizer blades (6), a connecting device (7), an upper sealing block (8), an O-shaped sealing ring (9), a guide belt (10), a sealing block lip type seal (11), a compression spring (12), a guide shaft (13), a lower sealing block (14), a thrust bearing (15), an exhaust hole (16), a rotator outer cylinder (17), a rotating shaft (18), an anti-jumping bearing (19), a centering bearing (20), an oil filling hole (21), a gland (22), a gland lip type seal (23), a retainer ring combination (24), a particle injection nozzle (25), a nozzle inner cavity (26), side nozzles (27), peripheral nozzles (28) and a central nozzle (29), wherein the filter outer cylinder (2) is arranged inside the shaft (1), the upper female buckle lower male buckle of the filter outer cylinder (2), the annular retainer ring (3) is welded with the filter (4), the annular retainer ring (3) is arranged on a step surface at the bottom of the female buckle of the filter outer cylinder (2), the step surface can clamp the annular retainer ring (3) and prevent the annular retainer ring from moving downwards, working fluid enters from the female buckle of the filter outer cylinder (2) from top to bottom, particles and the working fluid enter the filter (4) under the action of the annular retainer ring (3), impurities in the particles and the working fluid are filtered and stored in the filter (4), the filtered particles and the working fluid downwards enter the centralizer cylinder (5), the centralizer blades (6) are arranged on the outer wall of the centralizer cylinder (5) and play a centering role, the connecting device (7) is arranged between the centralizer cylinder (5) and the rotator outer cylinder (17), the connecting device (7) is externally connected with the rotator outer cylinder (17), the inner part is connected with an upper sealing block (8), three O-shaped sealing rings (9) are arranged between the upper sealing block (8) and a connecting device (7), the sealing between the upper sealing block (8) and the connecting device (7) is realized, the upper sealing block (8) does not rotate, a guide shaft (13) is arranged between the connecting device (7) and the upper sealing block (8), the guide shaft (13) is communicated, the connecting device (7) and the upper sealing block (8) do not have relative rotation movement but can move relatively along the direction of the guide shaft (13), a compression spring (12) is arranged in an upper sealing block (8) hole on the outer wall surface of the guide shaft (13), the compression spring (12) is in a compression state, under the action of the compression spring (12), the upper sealing block (8) and a lower sealing block (14) are compressed to play a sealing role, the upper sealing block (8) and the lower sealing block (14) are made of ceramic or alloy steel, the lower sealing block (14) is arranged on the inner side of the lower part of the upper sealing block (8), the lower sealing block (14) can rotate, the lower sealing block (14) extends out of the inner side of the upper sealing block (8), the guide belt (10) is arranged between the upper sealing block (8) and the lower sealing block (14), the guide belt (10) plays a role in guiding and blocking particles, the sealing block lip type seal (11) is arranged on the lower part of the guide belt (10), after certain pressure is arranged on the inner side of the lower sealing block (14), the pressure is transmitted to the sealing block lip type seal (11) through the guide belt (10) by fluid, the sealing block lip type seal (11) starts to be opened and close to the upper sealing block (8) under the action of the pressure, a step is arranged between the upper sealing block (8) and the lower sealing block (14), the sealing and guiding effects are also realized, and the combined action of compression of the guide belt (10), the sealing block lip type seal (11) and the compression spring (12, the rotating shaft (18) is arranged at the lower part of the lower sealing block (14), the rotating shaft (18) and the lower sealing block (14) rotate simultaneously, the thrust bearing (15) is arranged between the outer cylinder (17) of the rotating body and the rotating shaft (18), the thrust bearing (15) can enable the device to bear the drilling pressure and the pulling force in the axial direction, the anti-jump bearing (19) is arranged at the lower part of the step of the rotating shaft (18), the anti-jump bearing (19) is a tapered roller bearing and can prevent the jump of a spray head in the working process, the service life of the device is prolonged, the centering bearing (20) is arranged at the lower part of the anti-jump bearing (19), the centering bearing (20) is a cylindrical roller bearing and has a centering function, the rotating shaft (18) is centered, the rotating sealing device is protected, the gland (22) is arranged between the outer cylinder (17) of the rotating body and the rotating shaft (18), the bearing is used for pressing an upper centering bearing (20), a gland lip type seal (23) is arranged at the upper part of the inner side of a gland (22), the gland (22) and a rotating shaft (18) are sealed, a retainer ring combination (24) is arranged at two sides of the lower part of the gland (22), the gland (22) and the rotating shaft (18) are respectively sealed, the retainer ring combination (24) comprises two parts, a lower packing and an upper sealing ring, the packing is used for sealing large-particle particles, the sealing rings are used for sealing fluid and small-particle particles, the external particles and the fluid can be effectively prevented from entering the rotating shaft (18) through the three-stage sealing action of the packing, the sealing rings and the gland lip type seal (23), an exhaust hole (16) and an oil filling hole (21) are arranged on the rotating body outer cylinder (17), and speed reducing oil can be filled into a gap between the rotating shaft (18) and the rotating body after the oil filling hole (21) is opened, the particle jet nozzle is used for adjusting the rotating speed of the rotating shaft (18) and further adjusting the rotating speed of the particle jet nozzle (25), the exhaust holes (16) are used for exhausting gas between the rotating body outer cylinder (17) and the rotating shaft (18) in the oil injection process to enable deceleration oil to smoothly fill a gap between the rotating body outer cylinder (17) and the rotating shaft (18), the particle jet nozzle (25) is arranged at the lower part of the rotating shaft (18) and used for jetting rotating particle jet flow, the nozzle inner cavity (26) is arranged in the particle jet nozzle (25), particles and fluid downwards flow into the nozzle inner cavity (26) from the upper rotating shaft (18), the bottom of the nozzle inner cavity (26) is hemispherical, the flow field of the nozzle inner cavity (26) can be optimized, the resistance of the fluid entering the lower nozzle is reduced, and the particles continuously enter the side nozzles (27), the peripheral nozzles (28) and the central nozzle (29, the rotary particle jet is ejected, the rotary particle jet impacts a lower target layer at a high speed to generate great instantaneous impact stress, the target layer can be effectively crushed, the underground rotary particle jet can be efficiently ejected and drilled, the side nozzles (27) are arranged on the side surface of the particle ejection nozzle (25) and can eject the rotary particle jet outwards from the side surface, the action area of the particle ejection nozzle (25) is effectively increased, the counter thrust of the rotation of the particle ejection nozzle (25) can also be provided, the peripheral nozzles (28) are arranged around the bottom of the particle ejection nozzle (25), the peripheral nozzles (28) can effectively eject the target layer at the bottom of the nozzle, the peripheral nozzles (28) are divided into two types, one type is direct injection and is mainly used for impacting the crushed target layer, the other type is rotary injection and is mainly used for providing the reaction force required by the rotation of the nozzle, the central nozzle (29) is arranged at the bottom of the particle ejection nozzle (25), the central nozzle (29) can effectively spray the lower central target layer of the spray head.
2. A downhole rotating particle jet spray drilling device according to claim 1, wherein: the diameter of a filter screen of the filter (4) is 1-6mm, 3-6 centralizer blades (6) are uniformly distributed on the centralizer barrel (5), and the centralizer blades (6) can be rectangular and have a chamfer shape or a spiral shape.
3. A downhole rotating particle jet spray drilling device according to claim 1, wherein: alpha is an included angle along the radial direction of the particle spray nozzle (25) and is mainly used for directly spraying particle jet flow to impact and crush a lower target layer, the swept range of the particle jet flow at the bottom of a well can be adjusted by adjusting the angle alpha, alpha is 0-45 degrees, beta is an included angle along the circumferential direction of the particle spray nozzle (25) and is mainly used for providing a reaction force for the rotation of the particle spray nozzle (25) and pushing the particle spray nozzle (25) to rotate, and beta is 15-60 degrees.
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| CN111047961B (en) * | 2020-01-02 | 2021-11-16 | 中国石油大学(华东) | Hydraulic high-pressure particle jet flow drilling and plugging test device |
| CN111101864B (en) * | 2020-01-07 | 2021-02-26 | 西安石油大学 | Particle type drilling impact equipment |
| CN112647904B (en) * | 2020-12-24 | 2022-10-11 | 中国石油大学(华东) | Horizontal underground phase sand blasting perforation unblocking tool |
| CN113202436B (en) * | 2021-05-24 | 2022-05-27 | 中国石油大学(华东) | Rotary particle jet pipe column cutting tool |
| CN113338829B (en) * | 2021-06-01 | 2022-10-28 | 中海油田服务股份有限公司 | Rotary speed-limiting jetting tool |
| CN113790025B (en) * | 2021-09-17 | 2023-08-04 | 中国石油大学(华东) | Double-runner particle jet flow auxiliary drill bit rotary drilling and milling tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19721383A1 (en) * | 1997-05-22 | 1998-11-26 | Brueckner Grundbau Gmbh | Drilling tool blockage prevention system |
| CN102220842A (en) * | 2011-05-13 | 2011-10-19 | 张朝纯 | Radial high-pressure water jetting composite well with ultrashort radius as well as well completion tool and technology |
| CN103334723A (en) * | 2013-07-09 | 2013-10-02 | 重庆大学 | Device and method for underground coal mine hydraulic slit cutting self-suction type material abrading jet flow generation |
| CN103774991A (en) * | 2012-10-17 | 2014-05-07 | 中国石油天然气集团公司 | Shaft bottom particle injection drilling speed increasing tool |
| CN106968600A (en) * | 2017-04-26 | 2017-07-21 | 中国石油大学(华东) | Particle stream flow combines the comprehensive experimental device for drilling sleeve pipe and rock with drill bit |
| CN109025825A (en) * | 2018-10-10 | 2018-12-18 | 东北石油大学 | The self-priming particle stream flow drilling rig in underground based on Venturi effect |
-
2019
- 2019-08-14 CN CN201910748625.9A patent/CN110439464B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19721383A1 (en) * | 1997-05-22 | 1998-11-26 | Brueckner Grundbau Gmbh | Drilling tool blockage prevention system |
| CN102220842A (en) * | 2011-05-13 | 2011-10-19 | 张朝纯 | Radial high-pressure water jetting composite well with ultrashort radius as well as well completion tool and technology |
| CN103774991A (en) * | 2012-10-17 | 2014-05-07 | 中国石油天然气集团公司 | Shaft bottom particle injection drilling speed increasing tool |
| CN103334723A (en) * | 2013-07-09 | 2013-10-02 | 重庆大学 | Device and method for underground coal mine hydraulic slit cutting self-suction type material abrading jet flow generation |
| CN106968600A (en) * | 2017-04-26 | 2017-07-21 | 中国石油大学(华东) | Particle stream flow combines the comprehensive experimental device for drilling sleeve pipe and rock with drill bit |
| CN109025825A (en) * | 2018-10-10 | 2018-12-18 | 东北石油大学 | The self-priming particle stream flow drilling rig in underground based on Venturi effect |
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